@@ -9,7 +9,7 @@ endif
TOOL:=../ynl-gen-c.py
-GENS:=fou netdev
+GENS:=handshake fou netdev
SRCS=$(patsubst %,%-user.c,${GENS})
HDRS=$(patsubst %,%-user.h,${GENS})
OBJS=$(patsubst %,%-user.o,${GENS})
new file mode 100644
@@ -0,0 +1,385 @@
+// SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR BSD-3-Clause)
+/* Do not edit directly, auto-generated from: */
+/* Documentation/netlink/specs/handshake.yaml */
+/* YNL-GEN user source */
+
+#include <stdlib.h>
+#include "handshake-user.h"
+#include "ynl.h"
+#include <linux/handshake.h>
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <libmnl/libmnl.h>
+#include <linux/genetlink.h>
+
+/* Enums */
+static const char * const handshake_op_strmap[] = {
+ [HANDSHAKE_CMD_READY] = "ready",
+ [HANDSHAKE_CMD_ACCEPT] = "accept",
+ [HANDSHAKE_CMD_DONE] = "done",
+};
+
+const char *handshake_op_str(int op)
+{
+ if (op < 0 || op >= (int)MNL_ARRAY_SIZE(handshake_op_strmap))
+ return NULL;
+ return handshake_op_strmap[op];
+}
+
+static const char * const handshake_handler_class_strmap[] = {
+ [0] = "none",
+ [1] = "tlshd",
+ [2] = "max",
+};
+
+const char *handshake_handler_class_str(enum handshake_handler_class value)
+{
+ if (value < 0 || value >= (int)MNL_ARRAY_SIZE(handshake_handler_class_strmap))
+ return NULL;
+ return handshake_handler_class_strmap[value];
+}
+
+static const char * const handshake_msg_type_strmap[] = {
+ [0] = "unspec",
+ [1] = "clienthello",
+ [2] = "serverhello",
+};
+
+const char *handshake_msg_type_str(enum handshake_msg_type value)
+{
+ if (value < 0 || value >= (int)MNL_ARRAY_SIZE(handshake_msg_type_strmap))
+ return NULL;
+ return handshake_msg_type_strmap[value];
+}
+
+static const char * const handshake_auth_strmap[] = {
+ [0] = "unspec",
+ [1] = "unauth",
+ [2] = "psk",
+ [3] = "x509",
+};
+
+const char *handshake_auth_str(enum handshake_auth value)
+{
+ if (value < 0 || value >= (int)MNL_ARRAY_SIZE(handshake_auth_strmap))
+ return NULL;
+ return handshake_auth_strmap[value];
+}
+
+/* Policies */
+extern struct ynl_policy_nest handshake_x509_nest;
+extern struct ynl_policy_nest handshake_accept_nest;
+extern struct ynl_policy_nest handshake_done_nest;
+
+struct ynl_policy_attr handshake_x509_policy[HANDSHAKE_A_X509_MAX + 1] = {
+ [HANDSHAKE_A_X509_CERT] = { .name = "cert", .type = YNL_PT_U32, },
+ [HANDSHAKE_A_X509_PRIVKEY] = { .name = "privkey", .type = YNL_PT_U32, },
+};
+
+struct ynl_policy_nest handshake_x509_nest = {
+ .max_attr = HANDSHAKE_A_X509_MAX,
+ .table = handshake_x509_policy,
+};
+
+struct ynl_policy_attr handshake_accept_policy[HANDSHAKE_A_ACCEPT_MAX + 1] = {
+ [HANDSHAKE_A_ACCEPT_SOCKFD] = { .name = "sockfd", .type = YNL_PT_U32, },
+ [HANDSHAKE_A_ACCEPT_HANDLER_CLASS] = { .name = "handler-class", .type = YNL_PT_U32, },
+ [HANDSHAKE_A_ACCEPT_MESSAGE_TYPE] = { .name = "message-type", .type = YNL_PT_U32, },
+ [HANDSHAKE_A_ACCEPT_TIMEOUT] = { .name = "timeout", .type = YNL_PT_U32, },
+ [HANDSHAKE_A_ACCEPT_AUTH_MODE] = { .name = "auth-mode", .type = YNL_PT_U32, },
+ [HANDSHAKE_A_ACCEPT_PEER_IDENTITY] = { .name = "peer-identity", .type = YNL_PT_U32, },
+ [HANDSHAKE_A_ACCEPT_CERTIFICATE] = { .name = "certificate", .type = YNL_PT_NEST, .nest = &handshake_x509_nest, },
+ [HANDSHAKE_A_ACCEPT_PEERNAME] = { .name = "peername", .type = YNL_PT_NUL_STR, },
+};
+
+struct ynl_policy_nest handshake_accept_nest = {
+ .max_attr = HANDSHAKE_A_ACCEPT_MAX,
+ .table = handshake_accept_policy,
+};
+
+struct ynl_policy_attr handshake_done_policy[HANDSHAKE_A_DONE_MAX + 1] = {
+ [HANDSHAKE_A_DONE_STATUS] = { .name = "status", .type = YNL_PT_U32, },
+ [HANDSHAKE_A_DONE_SOCKFD] = { .name = "sockfd", .type = YNL_PT_U32, },
+ [HANDSHAKE_A_DONE_REMOTE_AUTH] = { .name = "remote-auth", .type = YNL_PT_U32, },
+};
+
+struct ynl_policy_nest handshake_done_nest = {
+ .max_attr = HANDSHAKE_A_DONE_MAX,
+ .table = handshake_done_policy,
+};
+
+/* Common nested types */
+void handshake_x509_free(struct handshake_x509 *obj)
+{
+}
+
+int handshake_x509_parse(struct ynl_parse_arg *yarg,
+ const struct nlattr *nested)
+{
+ struct handshake_x509 *dst = yarg->data;
+ const struct nlattr *attr;
+
+ mnl_attr_for_each_nested(attr, nested) {
+ if (mnl_attr_get_type(attr) == HANDSHAKE_A_X509_CERT) {
+ if (ynl_attr_validate(yarg, attr))
+ return MNL_CB_ERROR;
+ dst->_present.cert = 1;
+ dst->cert = mnl_attr_get_u32(attr);
+ }
+ else if (mnl_attr_get_type(attr) == HANDSHAKE_A_X509_PRIVKEY) {
+ if (ynl_attr_validate(yarg, attr))
+ return MNL_CB_ERROR;
+ dst->_present.privkey = 1;
+ dst->privkey = mnl_attr_get_u32(attr);
+ }
+ }
+
+ return 0;
+}
+
+/* ============== HANDSHAKE_CMD_ACCEPT ============== */
+/* HANDSHAKE_CMD_ACCEPT - do */
+void handshake_accept_req_free(struct handshake_accept_req *req)
+{
+ free(req);
+}
+
+void handshake_accept_rsp_free(struct handshake_accept_rsp *rsp)
+{
+ unsigned int i;
+
+ free(rsp->peer_identity);
+ for (i = 0; i < rsp->n_certificate; i++)
+ handshake_x509_free(&rsp->certificate[i]);
+ free(rsp->certificate);
+ free(rsp->peername);
+ free(rsp);
+}
+
+int handshake_accept_rsp_parse(const struct nlmsghdr *nlh, void *data)
+{
+ struct ynl_parse_arg *yarg = data;
+ struct handshake_accept_rsp *dst;
+ unsigned int n_peer_identity = 0;
+ unsigned int n_certificate = 0;
+ const struct nlattr *attr;
+ struct ynl_parse_arg parg;
+ int i;
+
+ dst = yarg->data;
+ parg.ys = yarg->ys;
+
+ if (dst->certificate)
+ return ynl_error_parse(yarg, "attribute already present (accept.certificate)");
+ if (dst->peer_identity)
+ return ynl_error_parse(yarg, "attribute already present (accept.peer-identity)");
+
+ mnl_attr_for_each(attr, nlh, sizeof(struct genlmsghdr)) {
+ if (mnl_attr_get_type(attr) == HANDSHAKE_A_ACCEPT_SOCKFD) {
+ if (ynl_attr_validate(yarg, attr))
+ return MNL_CB_ERROR;
+ dst->_present.sockfd = 1;
+ dst->sockfd = mnl_attr_get_u32(attr);
+ }
+ else if (mnl_attr_get_type(attr) == HANDSHAKE_A_ACCEPT_MESSAGE_TYPE) {
+ if (ynl_attr_validate(yarg, attr))
+ return MNL_CB_ERROR;
+ dst->_present.message_type = 1;
+ dst->message_type = mnl_attr_get_u32(attr);
+ }
+ else if (mnl_attr_get_type(attr) == HANDSHAKE_A_ACCEPT_TIMEOUT) {
+ if (ynl_attr_validate(yarg, attr))
+ return MNL_CB_ERROR;
+ dst->_present.timeout = 1;
+ dst->timeout = mnl_attr_get_u32(attr);
+ }
+ else if (mnl_attr_get_type(attr) == HANDSHAKE_A_ACCEPT_AUTH_MODE) {
+ if (ynl_attr_validate(yarg, attr))
+ return MNL_CB_ERROR;
+ dst->_present.auth_mode = 1;
+ dst->auth_mode = mnl_attr_get_u32(attr);
+ }
+ else if (mnl_attr_get_type(attr) == HANDSHAKE_A_ACCEPT_PEER_IDENTITY) {
+ n_peer_identity++;
+ }
+ else if (mnl_attr_get_type(attr) == HANDSHAKE_A_ACCEPT_CERTIFICATE) {
+ n_certificate++;
+ }
+ else if (mnl_attr_get_type(attr) == HANDSHAKE_A_ACCEPT_PEERNAME) {
+ unsigned int len;
+
+ if (ynl_attr_validate(yarg, attr))
+ return MNL_CB_ERROR;
+
+ len = strnlen(mnl_attr_get_str(attr), mnl_attr_get_payload_len(attr));
+ dst->_present.peername_len = len;
+ dst->peername = malloc(len + 1);
+ memcpy(dst->peername, mnl_attr_get_str(attr), len);
+ dst->peername[len] = 0;
+ }
+ }
+
+ if (n_certificate) {
+ dst->certificate = calloc(n_certificate, sizeof(*dst->certificate));
+ dst->n_certificate = n_certificate;
+ i = 0;
+ parg.rsp_policy = &handshake_x509_nest;
+ mnl_attr_for_each(attr, nlh, sizeof(struct genlmsghdr)) {
+ if (mnl_attr_get_type(attr) == HANDSHAKE_A_ACCEPT_CERTIFICATE) {
+ parg.data = &dst->certificate[i];
+ if (handshake_x509_parse(&parg, attr))
+ return MNL_CB_ERROR;
+ i++;
+ }
+ }
+ }
+ if (n_peer_identity) {
+ dst->peer_identity = calloc(n_peer_identity, sizeof(*dst->peer_identity));
+ dst->n_peer_identity = n_peer_identity;
+ i = 0;
+ mnl_attr_for_each(attr, nlh, sizeof(struct genlmsghdr)) {
+ if (mnl_attr_get_type(attr) == HANDSHAKE_A_ACCEPT_PEER_IDENTITY) {
+ dst->peer_identity[i] = mnl_attr_get_u32(attr);
+ i++;
+ }
+ }
+ }
+
+ return MNL_CB_OK;
+}
+
+struct handshake_accept_rsp *
+handshake_accept(struct ynl_sock *ys, struct handshake_accept_req *req)
+{
+ struct ynl_req_state yrs = { .yarg = { .ys = ys, }, };
+ struct handshake_accept_rsp *rsp;
+ struct nlmsghdr *nlh;
+ int err;
+
+ nlh = ynl_gemsg_start_req(ys, ys->family_id, HANDSHAKE_CMD_ACCEPT, 1);
+ ys->req_policy = &handshake_accept_nest;
+ yrs.yarg.rsp_policy = &handshake_accept_nest;
+
+ if (req->_present.handler_class)
+ mnl_attr_put_u32(nlh, HANDSHAKE_A_ACCEPT_HANDLER_CLASS, req->handler_class);
+
+ rsp = calloc(1, sizeof(*rsp));
+ yrs.yarg.data = rsp;
+ yrs.cb = handshake_accept_rsp_parse;
+ yrs.rsp_cmd = HANDSHAKE_CMD_ACCEPT;
+
+ err = ynl_exec(ys, nlh, &yrs);
+ if (err < 0)
+ goto err_free;
+
+ return rsp;
+
+err_free:
+ handshake_accept_rsp_free(rsp);
+ return NULL;
+}
+
+/* HANDSHAKE_CMD_ACCEPT - notify */
+void handshake_accept_ntf_free(struct handshake_accept_ntf *rsp)
+{
+ unsigned int i;
+
+ free(rsp->obj.peer_identity);
+ for (i = 0; i < rsp->obj.n_certificate; i++)
+ handshake_x509_free(&rsp->obj.certificate[i]);
+ free(rsp->obj.certificate);
+ free(rsp->obj.peername);
+ free(rsp);
+}
+
+/* ============== HANDSHAKE_CMD_DONE ============== */
+/* HANDSHAKE_CMD_DONE - do */
+void handshake_done_req_free(struct handshake_done_req *req)
+{
+ free(req->remote_auth);
+ free(req);
+}
+
+int handshake_done(struct ynl_sock *ys, struct handshake_done_req *req)
+{
+ struct nlmsghdr *nlh;
+ int err;
+
+ nlh = ynl_gemsg_start_req(ys, ys->family_id, HANDSHAKE_CMD_DONE, 1);
+ ys->req_policy = &handshake_done_nest;
+
+ if (req->_present.status)
+ mnl_attr_put_u32(nlh, HANDSHAKE_A_DONE_STATUS, req->status);
+ if (req->_present.sockfd)
+ mnl_attr_put_u32(nlh, HANDSHAKE_A_DONE_SOCKFD, req->sockfd);
+ for (unsigned int i = 0; i < req->n_remote_auth; i++)
+ mnl_attr_put_u32(nlh, HANDSHAKE_A_DONE_REMOTE_AUTH, req->remote_auth[i]);
+
+ err = ynl_exec(ys, nlh, NULL);
+ if (err < 0)
+ return -1;
+
+ return 0;
+}
+
+/* --------------- Common notification parsing --------------- */
+struct ynl_ntf_base_type *handshake_ntf_parse(struct ynl_sock *ys)
+{
+ struct ynl_parse_arg yarg = { .ys = ys, };
+ struct ynl_ntf_base_type *rsp;
+ struct genlmsghdr *genlh;
+ struct nlmsghdr *nlh;
+ mnl_cb_t parse;
+ int len, err;
+
+ len = mnl_socket_recvfrom(ys->sock, ys->rx_buf, MNL_SOCKET_BUFFER_SIZE);
+ if (len < (ssize_t)(sizeof(*nlh) + sizeof(*genlh)))
+ return NULL;
+
+ nlh = (struct nlmsghdr *)ys->rx_buf;
+ genlh = mnl_nlmsg_get_payload(nlh);
+
+ switch (genlh->cmd) {
+ case HANDSHAKE_CMD_READY:
+ rsp = calloc(1, sizeof(struct handshake_accept_ntf));
+ parse = handshake_accept_rsp_parse;
+ yarg.rsp_policy = &handshake_accept_nest;
+ rsp->free = (void *)handshake_accept_ntf_free;
+ break;
+ default:
+ ynl_error_unknown_notification(ys, genlh->cmd);
+ return NULL;
+ }
+
+ yarg.data = rsp->data;
+
+ err = mnl_cb_run2(ys->rx_buf, len, 0, 0, parse, &yarg,
+ ynl_cb_array, NLMSG_MIN_TYPE);
+ if (err < 0)
+ goto err_free;
+
+ rsp->family = nlh->nlmsg_type;
+ rsp->cmd = genlh->cmd;
+ return rsp;
+
+err_free:
+ free(rsp);
+ return NULL;
+}
+
+static const struct ynl_ntf_info handshake_ntf_info[] = {
+ [HANDSHAKE_CMD_READY] = {
+ .alloc_sz = sizeof(struct handshake_accept_ntf),
+ .cb = handshake_accept_rsp_parse,
+ .policy = &handshake_accept_nest,
+ .free = (void *)handshake_accept_ntf_free,
+ },
+};
+
+const struct ynl_family ynl_handshake_family = {
+ .name = "handshake",
+ .ntf_info = handshake_ntf_info,
+ .ntf_info_size = MNL_ARRAY_SIZE(handshake_ntf_info),
+};
new file mode 100644
@@ -0,0 +1,148 @@
+/* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR BSD-3-Clause) */
+/* Do not edit directly, auto-generated from: */
+/* Documentation/netlink/specs/handshake.yaml */
+/* YNL-GEN user header */
+
+#ifndef _LINUX_HANDSHAKE_GEN_H
+#define _LINUX_HANDSHAKE_GEN_H
+
+#include <stdlib.h>
+#include <string.h>
+#include <linux/types.h>
+#include <linux/handshake.h>
+
+struct ynl_sock;
+
+extern const struct ynl_family ynl_handshake_family;
+
+/* Enums */
+const char *handshake_op_str(int op);
+const char *handshake_handler_class_str(enum handshake_handler_class value);
+const char *handshake_msg_type_str(enum handshake_msg_type value);
+const char *handshake_auth_str(enum handshake_auth value);
+
+/* Common nested types */
+struct handshake_x509 {
+ struct {
+ __u32 cert:1;
+ __u32 privkey:1;
+ } _present;
+
+ __u32 cert;
+ __u32 privkey;
+};
+
+/* ============== HANDSHAKE_CMD_ACCEPT ============== */
+/* HANDSHAKE_CMD_ACCEPT - do */
+struct handshake_accept_req {
+ struct {
+ __u32 handler_class:1;
+ } _present;
+
+ enum handshake_handler_class handler_class;
+};
+
+static inline struct handshake_accept_req *handshake_accept_req_alloc(void)
+{
+ return calloc(1, sizeof(struct handshake_accept_req));
+}
+void handshake_accept_req_free(struct handshake_accept_req *req);
+
+static inline void
+handshake_accept_req_set_handler_class(struct handshake_accept_req *req,
+ enum handshake_handler_class handler_class)
+{
+ req->_present.handler_class = 1;
+ req->handler_class = handler_class;
+}
+
+struct handshake_accept_rsp {
+ struct {
+ __u32 sockfd:1;
+ __u32 message_type:1;
+ __u32 timeout:1;
+ __u32 auth_mode:1;
+ __u32 peername_len;
+ } _present;
+
+ __u32 sockfd;
+ enum handshake_msg_type message_type;
+ __u32 timeout;
+ enum handshake_auth auth_mode;
+ unsigned int n_peer_identity;
+ __u32 *peer_identity;
+ unsigned int n_certificate;
+ struct handshake_x509 *certificate;
+ char *peername;
+};
+
+void handshake_accept_rsp_free(struct handshake_accept_rsp *rsp);
+
+/*
+ * Handler retrieves next queued handshake request
+ */
+struct handshake_accept_rsp *
+handshake_accept(struct ynl_sock *ys, struct handshake_accept_req *req);
+
+/* HANDSHAKE_CMD_ACCEPT - notify */
+struct handshake_accept_ntf {
+ __u16 family;
+ __u8 cmd;
+ struct ynl_ntf_base_type *next;
+ void (*free)(struct handshake_accept_ntf *ntf);
+ struct handshake_accept_rsp obj __attribute__ ((aligned (8)));
+};
+
+void handshake_accept_ntf_free(struct handshake_accept_ntf *rsp);
+
+/* ============== HANDSHAKE_CMD_DONE ============== */
+/* HANDSHAKE_CMD_DONE - do */
+struct handshake_done_req {
+ struct {
+ __u32 status:1;
+ __u32 sockfd:1;
+ } _present;
+
+ __u32 status;
+ __u32 sockfd;
+ unsigned int n_remote_auth;
+ __u32 *remote_auth;
+};
+
+static inline struct handshake_done_req *handshake_done_req_alloc(void)
+{
+ return calloc(1, sizeof(struct handshake_done_req));
+}
+void handshake_done_req_free(struct handshake_done_req *req);
+
+static inline void
+handshake_done_req_set_status(struct handshake_done_req *req, __u32 status)
+{
+ req->_present.status = 1;
+ req->status = status;
+}
+static inline void
+handshake_done_req_set_sockfd(struct handshake_done_req *req, __u32 sockfd)
+{
+ req->_present.sockfd = 1;
+ req->sockfd = sockfd;
+}
+static inline void
+__handshake_done_req_set_remote_auth(struct handshake_done_req *req,
+ __u32 *remote_auth,
+ unsigned int n_remote_auth)
+{
+ free(req->remote_auth);
+ req->remote_auth = remote_auth;
+ req->n_remote_auth = n_remote_auth;
+}
+
+/*
+ * Handler reports handshake completion
+ */
+int handshake_done(struct ynl_sock *ys, struct handshake_done_req *req);
+
+/* --------------- Common notification parsing --------------- */
+struct ynl_ntf_base_type *handshake_ntf_parse(struct ynl_sock *ys);
+
+#endif /* _LINUX_HANDSHAKE_GEN_H */
Generate support for the handshake family. Signed-off-by: Jakub Kicinski <kuba@kernel.org> --- tools/net/ynl/generated/Makefile | 2 +- tools/net/ynl/generated/handshake-user.c | 385 +++++++++++++++++++++++ tools/net/ynl/generated/handshake-user.h | 148 +++++++++ 3 files changed, 534 insertions(+), 1 deletion(-) create mode 100644 tools/net/ynl/generated/handshake-user.c create mode 100644 tools/net/ynl/generated/handshake-user.h